U 開頭單詞
under-secretary -general [經(jīng)濟學(xué)]付秘書長
under-seal synchronous pavement [交通運輸工程]同步碎石下封層
under-screen 擋泥板
under-scan n.欠掃描；掃描不足
under-sampling 欠采樣
under-reserve [經(jīng)] 保留追索權(quán), 儲備不足
under-represented 未被充分代表的；代表名額不足的。
under-relaxation factor [數(shù)學(xué)]低松馳因子
under-reaction 弱反應(yīng)
under-parhelion 下幻日
under-nourishment n.營養(yǎng)不足
under-invoicing 少開發(fā)票,開低價發(fā)票
under-invoice 不足額發(fā)票
under-inflation 充氣不足
under-finished 脂肪少的
under-excitation operation [能源科學(xué)技術(shù)]欠勵磁運轉(zhuǎn)欠勵磁運行